CSS背景颜色转换向上滑动 [英] CSS background colour transition slide up

问题描述

我试图通过使用CSS转换来更改悬停时元素的背景颜色。我想通过让它从底部向上滚动。我可以褪色使用这个背景，但我想它向上滑动：

  -webkit-transition：background-color 0.5s线性; 
 -moz-transition：background-color 0.5s linear; 
 -o-transition：background-color 0.5s linear; 
 transition：background-color 0.5s linear;对不起，我对CSS不太好。
 
 
 
 
 
 
 
 
 
 $ b b 
另一个想法，最好是向上滚动一个单独的元素，并应用背景。
 
 
 
感谢任何帮助
解决方案
为了向上滑动背景颜色，您需要使用背景图片或某种渐变，同时逐渐调整 background-position ：
  .box {
 width：200px; height：100px; 
 background-size：100％200％; 
 background-image：linear-gradient（to bottom，red 50％，black 50％）; 
 transition：background-position 1s; 
} 
 
 .box：hover {
 background-position：0 -100％; 
} 
  
您可以在这里看到这个演示：http://jsfiddle.net/as5ZU/  
 
I am trying to change the background colour of a element on hover by using CSS transitions. I want to do this by having it scroll up from the bottom. I can fade the background in using this, but I would like it to slide up:
-webkit-transition: background-color 0.5s linear;
-moz-transition: background-color 0.5s linear;
-o-transition: background-color 0.5s linear;  
transition: background-color 0.5s linear;
Sorry I'm not very good at CSS.

One other thought, would it be better to scroll up a separate element with the background applied to it.

Thanks for any help
解决方案
In order to slide the background color up you would need to use a background image, or a gradient of some sort, while gradually adjusting the background-position:
.box {
    width: 200px; height: 100px;
    background-size: 100% 200%;
    background-image: linear-gradient(to bottom, red 50%, black 50%);
    transition: background-position 1s;
}

.box:hover {
    background-position: 0 -100%;
}
You can see this demo here: http://jsfiddle.net/as5ZU/

                        
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